What is the unit of electro-chemical equivalent ?

What is the unit of eletrochemical equivalent?

The unit of electro-chemical equivalent is

If a steady current of 4 amp maintained for 40 minutes, deposits 4.5 gm of zinc at the cathode and then the electro chemical equivalent will be

What is the relationship between electro chemical equivalent and chemical equivalent of a substance.

Establish a relationship between electro chemical equivalent & chemical equivalent of an element.